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This 1976 Gram-stained photomicrograph depicted a number of chains of Gram-positive, anaerobic, coccoid (GPAC) Coprococcus eutactus bacteria. Bacteriologist commonly refer to these bacteria as Peptococci or Peptostreptococci.Created: 1976

Magnified 1000X, this photomicrograph depicts a number of Gram-positive Eubacterium alactolyticum bacteria, which had been grown in Schaedler broth.Created: 1974

This micrograph depicts Gram-positive C. difficile bacteria from a stool sample culture obtained using a .1µm filter. See PHIL 6260 for a black and white version of this image.Created: 2004

This micrograph depicts a group of Clostridium tetani bacteria, responsible for causing tetanus in humans.From Wikimedia Commons

Magnified 1000X, this micrograph depicts numerous Peptostreptococcus sp. bacteria that were grown in Schaedler’s broth, and stained using the Gram-stain technique.Created: 1974

Under only a 2X magnification, this photograph revealed some of the details displayed atop a Petri dish culture of rod-shaped, Gram-positive Clostridium septicum bacteria.Created: 1971

This micrograph depicts Gram-positive C. difficile bacteria from a stool sample culture obtained using a .1µm filter. See PHIL 9999 for a colorized version of this image.Created: 2004

Under only a 2X magnification, this photograph revealed some of the details displayed atop a Petri dish culture of rod-shaped, Gram-positive Clostridium septicum bacteria.Created: 1971

Under only a 2X magnification, this photograph revealed some of the details displayed atop a Petri dish culture of rod-shaped, Gram-positive Clostridium septicum bacteria.Created: 1971

Under only a 2X magnification, this photograph revealed some of the details displayed atop a Petri dish culture of rod-shaped, Gram-positive Clostridium septicum bacteria.Created: 1971

Magnified 1000X, this photomicrograph reveals numbers of Clostridium perfringens bacteria that had been grown in Schaedler’s broth, and subsequently stained using Gram-stain.Created: 1974

Description: English: A photomicrograph of Clostridium botulinum bacteria. This is an illustration of a photomicrograph of Clostridium botulinum stained with Gentian violet. The bacterium C. botulinum produces a nerve toxin, which causes the rare, but serious paralytic illness Botulism. Italiano: Il botulino, un batterio che produce una tossina mortale. Date: 1979. Source: : This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #2107. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. العربية | Deutsch | English | македонски | slovenščina | +/−. Author: Content Providers: CDC. Permission(Reusing this file): English: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image. Other versions: PNG version.

Description: English: Model of Aerolysin. Date: 2004. Source: Melton JA, Parker MW, Rossjohn J, Buckley JT and Tweten RK (2004). The identification and structure of the membrane-spanning domain of the clostridium septicum alpha toxin. The Journal of Biological Chemistry. 279(14): 14315-14322. Author: Jody A. Melton, Michael W. Parker, Jamie Rossjohn, J. thomas Buckley and Rodney K. Tweten.

Description: English: This illustration depicts a photomicrographic view of a methylene blue-stained culture specimen revealing the presence of numerous Clostridium septicum bacteria. Deutsch: Dieses Bild stellt das Mikroskopfoto einer mit Methylenblau angefärbten Kultur dar, dabei lassen sich zahlreiche Clostridium septicum Bakterienzellen erkennen. Date: 1979. Source: : This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #14347. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. English | Slovenščina | +/−. Author: Content Providers(s): CDC. Permission (Reusing this file): PD-USGov-HHS-CDC English: Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image. cropped Licensing[edit] Public domainPublic domainfalsefalse. : This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. čeština | Deutsch | English | español | eesti | suomi | français | italiano | македонски | Nederlands | polski | português | slovenščina | українська | 中文 | 中文（简体）‎ | 中文（繁體）‎ | +/− :.

Description: English: Model of Alpha-toxin. Date: 2004. Source: Melton JA, Parker MW, Rossjohn J, Buckley JT and Tweten RK (2004). The identification and structure of the membrane-spanning domain of the clostridium septicum alpha toxin. The Journal of Biological Chemistry. 279(14): 14315-14322. Author: Jody A. Melton, Michael W. Parker, Jamie Rossjohn, J. thomas Buckley and Rodney K. Tweten.

Description: English: This image depicts a Petri dish culture plate, which contained a growth medium of egg yolk agar that had been inoculated with the anaerobic bacterium, Clostridium perfringens. Date: 1973. Source: : This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #3872. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. العربية | Deutsch | English | македонски | slovenščina | +/−. Author: CDC. Permission(Reusing this file): This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

Description: English: Postoperative pathologic findings of the muscle tissue obtained during surgical removal. Gram-stain, Zoom 1000×. Identification of gram-positive, rod-shaped, anaerobic, spore-forming bacteria in the infected muscle tissue. The result is highly compatible to an infection with clostridium perfringens. Date: Published: 20 Oct 2008. Source: Diagnosis and misdiagnosis of necrotizing soft tissue infections: three case reports. Cases J 2008, 1:252. doi: 10.1186/1757-1626-1-252. Author: Engelbert Schröpfer, Stephan Rauthe and Thomas Meyer.

Description: English: This photomicrograph reveals Clostridium perfringens grown in Schaedler’s broth using Gram-stain. Clostridium perfringens is a spore-forming, heat-resistant bacterium that can cause foodborne disease. The spores persist in the environment, and often contaminate raw food materials. These bacteria are found in mammalian feces, and soil. Polski: Mikrofotografia laseczek Clostridium perfringens. Date: 1974. Source: : This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #2995. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. English | Slovenščina | +/−. Author: Content Providers(s): CDC/Don Stalons. Permission (Reusing this file): PD-USGov-HHS-CDC English: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

Bacilli of tetanus from a culture. Title: Bacilli of tetanus from a culture. Description: Bacilli of tetanus from a culture. General Collections Keywords: Bacteriology; Tetanus. Credit line: : This file comes from Wellcome Images, a website operated by Wellcome Trust, a global charitable foundation based in the United Kingdom. Refer to Wellcome blog post (archive).This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.. References: Photo number: M0015724 Full Bibliographic Record: http://catalogue.wellcomelibrary.org/record=b1023790. Source/Photographer: https://wellcomeimages.org/indexplus/obf_images/e4/c3/bca58311fa8badee4a9a1c4dde6a.jpg Gallery: https://wellcomeimages.org/indexplus/image/M0015724.html Wellcome Collection gallery (2018-03-23): https://wellcomecollection.org/works/dvkg3ybg CC-BY-4.0. Other versions: . Licensing[edit] : This file is licensed under the Creative Commons Attribution 4.0 International license. :. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. https://creativecommons.org/licenses/by/4.0 CC BY 4.0 Creative Commons Attribution 4.0 truetrue.

Description: English: This micrograph depicts a group of Clostridium tetani bacteria, responsible for causing tetanus in humans. Tetanus is an acute, often fatal, disease caused by an exotoxin produced by C. tetani. It is characterized by generalized rigidity and convulsive spasms of skeletal muscles, usually involving the jaw (lockjaw) and neck, then becoming generalized. Deutsch: Eine Gruppe Clostridium tetani. 日本語: 破傷風菌. 顕微鏡で見た破傷風菌. Date: 1995. Source: : This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #6372. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. English | Slovenščina | +/−. Author: Content Providers(s): CDC. Permission (Reusing this file): PD-USGov-HHS-CDC English: None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image. Other versions: png version.

Description: English: Gram stain showing Clostridium tetani with terminal round spore. Date: Unknown date. Source: Own work. Author: Microrao.

Description: English: Under a magnification of 956X, this photomicrograph of a Gram-stained specimen, depicted numbers of Gram-positive, Clostridium tetani bacteria, which had been cultivated on a blood agar plate (BAP), and incubated over a 48 hour time period. Note that several of these organisms had entered their endospore phase, assuming the characteristic tennis racket-type morphology. Date: 1965. Source: https://phil.cdc.gov/Details.aspx?pid=12056. Author: CDC/ Dr. Holdeman.

Description: English: This illustration depicts a three-dimensional (3D), computer-generated image of a group of anaerobic, spore-forming, Clostridium sp. organisms. The artistic recreation was based upon scanning electron microscopic (SEM) imagery. Note that a number of these organisms had assumed a safety-pin, or club-shape, indicating that they had entered what is known as an endospore phase, which is a tougher, dormant phase, resistant to heat and UV-radiation. Date: 2016. Source: : This media comes from the Centers for Disease Control and Prevention's Public Health Image Library (PHIL), with identification number #21911. Note: Not all PHIL images are public domain; be sure to check copyright status and credit authors and content providers. العربية | Deutsch | English | македонски | slovenščina | +/−. Author: James Archer, Jennifer Oosthuizen.

Description: English: Macroscopic, histological and ultrastructural assessment of small intestine tissue. (a) Macroscopic picture of the oedematous intestinal wall with multiple submucosal and subserosal cysts. (b) Histological picture of the intestinal mucosa with areactive necrosis. (c) Gram stain of cysts with large rod-shaped bacteria. (d) Electron microscopic picture of a bacterium found in a submucosal cyst. Date: Published: 24 July 2008. Source: Lethal pneumatosis coli in a 12-month-old child caused by acute intestinal gas gangrene after prolonged artificial nutrition: a case report. Journal of Medical Case Reports. 2008;2:238. doi:10.1186/1752-1947-2-238. Author: Stefan Kircher, Rupert Wössner, Hans-Konrad Müller-Hermelink, Hans-Ullrich Völker. Permission(Reusing this file): This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.